1026 Full Stack Developer Sr Remote LATAM

Disclaimer Must read: Commitment & Focus

This role requires full-time dedication with clear priority given to Darwoft projects during the established working hours. It is not compatible with other full-time professional engagements. Any additional professional activities must be disclosed in advance and must not interfere with the responsibilities or working hours of this role.

Darwoft is a software factory delivering custom software solutions and IT staff augmentation services to international clients primarily in the United States and Latin America. We partner with startups and scale-up companies to build high-impact digital products combining technical excellence with a people-first culture built on long-term relationships and collaborative work.

• Location: Remote LATAM
• Contract Type: Independent Contractor (LATAM)
• Industry / Project: FinTech Customer Experience (CX) Operations Platform
• English Level: Advanced (spoken and written)

We are looking for a Senior Fullstack Engineer with a strong frontend focus to join a high-impact team building our clients internal Customer Experience (CX) Operations platform the tools CX agents and supervisors rely on daily to manage queues assignments conversations and operational workflows.

This role is dedicated to designing and shipping agent-facing UI within a modern modular frontend architecture while collaborating closely with the backend services that power queues agents assignments metrics dashboards and supervisor controls. Beyond technical excellence we are seeking someone with strong product sense and communication skills capable of partnering with Product CX stakeholders and backend engineers to turn operational requirements into reliable intuitive experiences.

• Design develop and maintain React/TypeScript features across CX domain modules including operations tooling agent presence inbox workflows and related internal applications.
• Build and evolve shared UI components forms tables and dashboards using the design system (Tailwind CSS Tremor Radix/shadcn patterns Storybook).
• Implement data-driven screens using TanStack Query React Router and react-hook-form Zod integrating with BFF and backend APIs.
• Work within a micro-frontend architecture (Rspack Module Federation) respecting domain boundaries and monorepo conventions.
• Collaborate on API design and integration with FastAPI backend services including understanding OpenAPI contracts shaping BFF endpoints and ensuring end-to-end correctness for queue agent and assignment flows.
• Contribute to authorization-aware UX aligned with gateway permissions and domain-level capability models.
• Ensure reliability performance and accessibility of agent-critical workflows used in production.
• Troubleshoot issues across the frontend BFF backend stack.
• Participate in code reviews architecture discussions and engineering best practices including linting type safety and testing with Vitest.

Must-Have

• 5 years of software engineering experience with a proven frontend-heavy track record.
• Strong professional experience with React and TypeScript in production applications.
• Experience building complex UIs: forms tables filters dashboards and multi-step workflows.
• Solid understanding of modern frontend tooling: bundlers (Webpack/Rspack/Vite) CSS frameworks (Tailwind) and component-driven development.
• Experience consuming REST APIs and working with OpenAPI-backed services; comfortable debugging across frontend and backend boundaries.
• Experience with state and data fetching patterns (e.g. TanStack Query React context/hooks).
• Strong debugging troubleshooting and problem-solving abilities.
• Excellent written and verbal communication skills; ability to collaborate with product and operational stakeholders.
• Advanced English proficiency (spoken and written).

Nice-to-Have

• Experience with monorepos (pnpm/Turbo/Nx) and micro-frontends or Module Federation.
• Familiarity with Refine react-intl or admin/operations-style internal tools.
• Experience with Fastify/ BFFs or lightweight backend-for-frontend layers.
• Python/FastAPI experience enough to read APIs propose schema changes or ship small backend endpoints when needed.
• Experience with PostgreSQL-backed services and understanding of transactional/domain APIs.
• Exposure to FinTech payments remittances customer support platforms or high-volume operational tooling.
• Experience with GCP (OIDC Pub/Sub) Docker and CI/CD in cloud-native environments.
• Familiarity with Storybook Vitest and design-system workflows.
• Experience working in fast-paced startup or scale-up environments.

• Contractor agreement with payment in USD
• 100% remote work
• Argentinas public holidays
• English classes
• Referral program
• Access to learning platforms